package com.sky.service.impl;

import com.alibaba.fastjson.JSONObject;
import com.sky.constant.MessageConstant;
import com.sky.dto.UserLoginDTO;
import com.sky.entity.User;
import com.sky.exception.LoginFailedException;
import com.sky.mapper.UserMapper;
import com.sky.properties.WeChatProperties;
import com.sky.service.UserService;
import com.sky.utils.HttpClientUtil;
import org.apache.ibatis.annotations.Select;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import java.time.LocalDateTime;
import java.util.HashMap;
import java.util.Map;

@Service
public class UserServiceImpl implements UserService {
    @Autowired
    WeChatProperties properties;
    @Autowired
    UserMapper userMapper;
    @Override
    public User wxLogin(UserLoginDTO userLoginDTO) {
        Map<String, String> map = new HashMap<String, String>();
        map.put("appid", properties.getAppid());
        map.put("js_code", userLoginDTO.getCode());
        map.put("secret", properties.getSecret());
        map.put("grant_type", "authorization_code");
        String json = HttpClientUtil.doGet("https://api.weixin.qq.com/sns/jscode2session", map);

        JSONObject jsonObject = JSONObject.parseObject(json);
        String openid = jsonObject.getString("openid");

        if (openid==null)
        {
            throw new LoginFailedException(MessageConstant.LOGIN_FAILED);
        }

        User user=userMapper.selectByOpenid(openid);
        if (user==null)
        {
            user=new User();
            user.setOpenid(openid);
            user.setCreateTime(LocalDateTime.now());
            userMapper.insert(user);
        }
        return user;
    }
}
